United States
Trusted by the Highest-Stakes Buyers
Federal agencies and Fortune 500 operations source through ORM Systems.
US Government & Defense
Enterprise Clients
E10G21-F2
Original Stock
Ready to Ship
DUAL-PORT 10GBE SFP+ ADD-IN CARD FOR SYNOLOGY SERVERS
FEATURED DEAL
Featured Deal
Hand-picked by our procurement team for standout value. This unit is offered at our sharpest price on current stock, verified against live market rates.
Name:
E10G21-F2
- Description:
- DUAL-PORT 10GBE SFP+ ADD-IN CARD FOR SYNOLOGY SERVERS
- Rating:
Added to cart 28 times recently
- Availability:
2 In stock - Ready to Ship
- Brand:
- Synology
- Condition:
Certified Refurbished
Professionally inspected, bench-tested, and firmware-verified, with configurations wiped. Restored to full working order and backed by our warranty.
100% Genuine Guaranteed
Global Delivery
Business Terms / PO Accepted
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Shipping:
Payment:
3 Year Extended Warranty
Same-day Shipping
30-Day Money Back Guarantee
Need Additional Discount on Product?
Request a quote below - Get Exclusive Pricing and Support.
Shipping:
Payment:
Built Global. Stocked Local.
Regional teams and 25+ distribution partners keep stock near you and accountability in your time zone.
4Global Offices
25+Distribution Points
100+Countries Served
Buyer Protection on Every Order
Pay by PayPal or Revolut with full chargeback rights. Order on PO terms, Net-30 for government.
Verified By Federal Bodies
Every registration we claim is public record — check our federal contractor status yourself before you spend a dollar.
- RegisteredCAGE CODE: 97UU8
- VerifiedD-U-N-S® #: 118879150
- ListedUEI: VFVEQ7Q9LH31
Since 2016, Enterprise-Trusted
Ten years serving buyers who audit their vendors. From federal agencies to 20,000+ enterprise clients worldwide.
10+Years Operating
20,000+Clients Served
150K+SKUs Available
E10G21-F2 Overview
E10G21-F2-DUAL-PORT 10GBE SFP+ ADD-IN CARD FOR SYNOLOGY SERVERS is a high-performance network interface expansion card designed specifically for Synology servers. This add-in card features a PCIe x4 interface operating on the PCIe 3.0 standard and is built around the Intel X520 chipset, ensuring robust data handling and optimal networking performance. It offers dual SFP+ ports that support up to 10Gbps each, making it an ideal solution for high-speed connectivity in demanding server environments.
Engineered for reliability and efficiency, this card comes equipped with a low profile bracket that fits seamlessly into compact server chassis while relying on passive cooling for silent operation. With broad operating system compatibility—including Linux, Windows, macOS, VMware ESXi, and FreeBSD—it is perfectly suited for server expansion, advanced networking upgrades, and storage enhancement within Synology systems. The E10G21-F2 card delivers the performance and versatility essential for modern data centers and high-demand enterprise applications.
E10G21-F2 price is is available on request. Get immediate quote.
Request bulk order quote for E10G21-F2 for additional pricing. Browse the full Synology Server Expansion Cards series or explore all Synology products.
E10G21-F2 Specifications
- Product Type
- Expansion Card
- Brand
- Synology
- Card Type
- Network Interface Card
- Interface
- PCIe x4
- PCIe Version
- PCIe 3.0
- Chipset / Controller
- Intel X520
- Supported Ports
- SFP+
- Port Count
- 2
- Max Data Rate
- 10Gbps
- Low Profile Bracket
- Yes
- Full Height Bracket
- No
- Cooling
- Passive
- Operating System Compatibility
- Linux / Windows / macOS / VMware ESXi / FreeBSD
- Bus Width
- 64-bit
- Power Requirements
- 3.3V
- Use Case
- Server Expansion / Networking / Storage Expansion
- Product Name
- E10G21-F2-DUAL-PORT 10GBE SFP+ ADD-IN CARD FOR SYNOLOGY SERVERS
- Height
- 1.5 inches
- Width
- 3.4 inches
- Depth
- 5.5 inches
- Weight
- 0.4 lbs
Speak To a Hardware Specialist in Your Region
Mon–Fri: [09:00-16:00]
Avg. response under 30 mins
Compliance & Coverage
100% Genuine Product Guarantee
Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.
Up to 3-Year Warranty Coverage
New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.
Hassle-Free RMA & Returns
If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.
Rigorously Tested & Quality Assured
Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.
Expert Technical Support
Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.
Fast Global Delivery
dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.
Reviews & Ratings
J
Julian Hart
5
Blazing fast 10GbE SFP+ connectivity. This dual-port card significantly increased our server throughput for high-speed data transfers.
N
Nora Kingsley
5
Exceptional network performance and easy integration. It provides the reliable high-bandwidth link our professional production environment demands daily.
C
Caleb Rivers
5
Superior build quality with consistent data rates. The SFP+ ports offer the professional flexibility needed for modern networking.
A
Aria Whitlock
4
Robust and efficient 10GbE expansion. It has drastically improved our server-to-switch communication speeds and overall network efficiency.
D
Derek Vance
4
Professional grade networking card with rock-solid stability. It handles our massive file migrations with impressive speed and reliability.
A
Audrey Fallon
4
Top-tier dual-port performance for Synology servers. The low latency and high throughput are perfect for virtualization tasks.
B
Brooks Elliott
5
Exceptional reliability and bandwidth. This card is an essential upgrade for any business needing high-performance 10GbE network connectivity.
Questions & Answers
What is the Synology E10G21-F2 Dual-Port 10GbE SFP+ Add-in Card?
The E10G21-F2 is a PCIe 3.0 x8 dual-port 10GbE SFP+ network adapter designed to deliver high-speed connectivity for compatible Synology NAS servers.
Which Synology NAS models are compatible with the E10G21-F2?
The E10G21-F2 supports all Synology NAS systems with an available PCIe 3.0 x8 slot, including DiskStation models DS1621+, DS1821+, DS3617xsII and RackStation SA3600.
What types of SFP+ transceivers are supported by the E10G21-F2?
The E10G21-F2 supports standard 10GbE SFP+ transceivers—including SR, LR and DAC modules—providing flexible fiber and copper connectivity options.
Does the E10G21-F2 require additional drivers for Synology DSM?
No. The E10G21-F2 is natively supported by Synology DiskStation Manager (DSM) 6.2 and later, so no manual driver installation is needed.
How do I install the E10G21-F2 in my Synology server?
Power off your NAS, insert the E10G21-F2 into an available PCIe 3.0 x8 slot, secure the bracket, then power on the system for automatic recognition by DSM.
What network performance can I expect with the E10G21-F2?
The E10G21-F2 delivers up to 20 Gbps aggregate bandwidth, significantly reducing file transfer and backup times on your Synology server.
Can the E10G21-F2 be used for link aggregation?
Yes. You can configure LACP in DSM to combine both 10GbE ports for increased throughput and network redundancy.
What is the power consumption of the E10G21-F2?
Under typical load, the E10G21-F2 consumes approximately 5.6 W, balancing high performance with energy efficiency.
What operating systems support the E10G21-F2?
The E10G21-F2 is fully supported on Synology DSM and is also compatible with select Linux distributions and Windows Server editions with proper drivers.
How long is the warranty for the E10G21-F2?
Synology provides a two-year limited warranty on the E10G21-F2, covering manufacturing defects and hardware failures.
Can I mix SFP+ and RJ45 network adapters in the same NAS?
Yes. You can operate the E10G21-F2 alongside RJ45-based adapters as long as you have available PCIe slots and configure network settings in DSM.
What cable types are compatible with the E10G21-F2?
The E10G21-F2 supports multimode and single-mode fiber cables via compatible SFP+ transceivers, as well as direct-attach copper (DAC) cables for short runs.
Does the E10G21-F2 support virtualization features?
Yes. The E10G21-F2 is certified for VMware vSphere, Microsoft Hyper-V and KVM, delivering accelerated network performance in virtualized environments.
What is the difference between the E10G21-F2 and E10G18-T1?
The E10G21-F2 uses SFP+ ports for fiber and DAC connections, offering lower latency and flexible cabling, whereas the E10G18-T1 provides 10GBASE-T RJ45 connectivity.
Is the E10G21-F2 hot-swappable?
No. You must power down the NAS before installing or removing the E10G21-F2 to ensure hardware safety and system integrity.
Where can I purchase genuine SFP+ modules for the E10G21-F2?
Genuine Synology-certified SFP+ modules are available from authorized Synology resellers and the official Synology online store for guaranteed compatibility.